<link rel="stylesheet" href="./index.css" />

<div class="atom">
  <div class="electron electron-1"></div>
  <div class="electron electron-1-1"></div>
  <div class="electron electron-2"></div>
  <div class="electron electron-2-2"></div>
  <div class="electron electron-3"></div>
  <div class="electron electron-3-3"></div>
  <div class="electron electron-4"></div>
  <div class="electron electron-4-4"></div>
</div>

<script src="https://cdn.jsdelivr.net/mojs/0.288.1/mo.min.js"></script>
<script src="https://cdn.jsdelivr.net/mojs-player/0.43.15/mojs-player.min.js"></script>
<script src="./index.js"></script>
